click below
click below
Normal Size Small Size show me how
Unit 2 7th Grade
Plate Motion
| Question | Answer |
|---|---|
| A diagram that shows what the indside of something looks like | Cross Section |
| Earth's outermost layer of hard, solid rock that is underneath the soil, vegetation, and water | Outer Layer |
| One of the very large sections of hard, solid rock that make up the Earth's outer layer | Plate |
| Something we observe to be similar over and over again | Pattern |
| The place where two plates meet | Plate Boundary |
| A sudden shaking of Earth's surface | Earthquake |
| An underwater mountain range formed when two plates move apart | Mid-ocean ridge |
| A long, deep indentation in the ocean floor formed when two plates move together | Trench |
| To examine in detail for a purpose | Analyze |
| How often or fast something happens | Rate |
| Any of the many processes in which gas, lava, and ash are pushed out on the surface of the Earth | Volcanic Activity |
| Moving towards the same place | Convergent |
| Moving apart in different directions | Divergent |
| THe layer of soft, solid rock underneath Earth's plates | Mantle |
| Key concept: Earth's outer layer is made of | hard, solid rock |
| K.C. Earth's outer layer is divided into sections called | plates |
| K.C. Geologists look for patterns in ______________ and in ___________________ in order to better understand Earth. | landforms, geologic events |
| K.C. The plates of the Earth's outer layer | move |
| K.C. Earth's plates move on top of a soft, solid layer of rock called the | mantle |
| K.C. At _____________ plate boundaries, rock rises from the mantle and hardens, adding more solid rock to the edges of both plates. | Divergent |
| K.C. At ________________ plate boundaries, one plate moves _______________ the other plate and sinks into the mantle. | convergent, underneath |
| K.C. Earth's plates travel at a rate too ___________ to be experienced by humans. | slow |
| K.C. It takes a ___________ time for Earth's plates to travel a ___________ distance. | long time, great distance |